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14944479280 = 245271689321
BaseRepresentation
bin11011110101100001…
…01010100000110000
31102120111200012120121
431322300222200300
5221101241314110
610510532020024
71036223656303
oct157260524060
942514605517
1014944479280
116379850525
122a90a61614
1315421a9b63
14a1aad0b3a
155c6ee8cda
hex37ac2a830

14944479280 has 40 divisors (see below), whose sum is σ = 34874178624. Its totient is φ = 5955724800.

The previous prime is 14944479257. The next prime is 14944479301. The reversal of 14944479280 is 8297444941.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322981 + ... + 366340.

Almost surely, 214944479280 is an apocalyptic number.

14944479280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14944479280 is an abundant number, since it is smaller than the sum of its proper divisors (19929699344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14944479280 is a wasteful number, since it uses less digits than its factorization.

14944479280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689605 (or 689599 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 14944479280 in words is "fourteen billion, nine hundred forty-four million, four hundred seventy-nine thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 271 542 1084 1355 2168 2710 4336 5420 10840 21680 689321 1378642 2757284 3446605 5514568 6893210 11029136 13786420 27572840 55145680 186805991 373611982 747223964 934029955 1494447928 1868059910 2988895856 3736119820 7472239640 14944479280